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Dev Bootcamp: Phase 1, Week 3, Day 3

Today was all about ActiveRecord, and everyone seems to be really enjoying it so far. We had a few lectures today on ActiveRecord validations and associations, and a fairly substantial challenge that took up much of the day which built upon one of the challenges from yesterday. Other than that, we had another schema design challenge (albeit a more complex one than usual, as it consisted of a number of many-many relationships), and one on symmetric migrations and when to use up/down vs change to apply and rollback.